{"id":"CVE-2026-101169","title":"In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object","summary":"In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execut…","severity":"high","cvss":8.7,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-502"],"vendor":"Octopus Deploy","product":"Octopus Server","affected":["octopus_server >= 2019.4.1 < 2026.1.11781","octopus_server >= 2026.2.0 < 2026.2.13441","octopus_server >= 2026.3.0 < 2026.3.15829"],"published":"2026-09-29","updated":"2026-09-29","sourceUpdated":"2026-09-29T08:17:19.823","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-101169","references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-10","label":"security@octopus.com"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-29T08:30:07.395Z","slug":"CVE-2026-101169","body":"## Overview\n\nIn affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execute arbitrary code in the Octopus Server process.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}